[Yusuke's even closed his eyes in concentration...]

I see what the boss means. You are the younger Leonardo de Vinci, while boss is more like the de Vinci already beginning his work on the Mona Lisa.

[He cups his chin with his free hand, frowning in thought.] Boss's coffees that were similar to this were a little richer... I believe. But. [He goes to take a taste of the curry and nods in satisfaction.] They still pair together well.